<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8" />
        <title>03_终极原型链</title>
    </head>
    <body>
        <script>
            var arr = new Array(1,2,3);

            var arr1= new Array(4,5,6);

            console.log(arr.push == arr1.push);
        </script>
    </body>
</html>